<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <script>
        'use strict'
        var arr = [3, 4, 5]
        for (var x of arr){
            console.log(x)
        }

        var map = new Map([['Tone',92],['jay',84],['sony',96]]);
        for (let x of map){
            console.log(x);
        }


        var set = new Set([15,66,45,16,72]);
        for(let x of set){
            console.log(x);
        }
    </script>

</head>
<body>

</body>
</html>